Man Roland Druckmaschinen Ag

Coatec Gesellschaft Für Oberflächenveredelung Gmbh & Co.

Manroland Sheetfed Gmbh

Uwe Wilms

Gerhard Johner

Markus Kirst

Ruth Kremer

Uwe Püschel

Rainer Schneider

Mathias Klotz

A printing and/or varnishing machine having a plurality of sheet-guiding cylinders in which at least one of the cylinders has an outer detachable packing which has enhanced ink repellent characteristics and which significantly reduces wear. The packing has a layered structure which includes a flexible backing material, the underside of which is assigned to the base body of the sheet-guiding cylinder, a coatingof molybdenum or tungsten carbide/cobalt which is adhesively applied to the upper side of the backing material, and a sealing layerof a material made from the group of polysiloxanes which is adhesively applied to the upper side of the coating. The side of the packingswhich faces the material to be printed has a surface profile consisting of coneswith rounded tipsfor reduced sheet contact.

Packing for a sheet-guiding cylinder in a processing machine

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Schoneberg, Germany

Uwe Wilms